User profiles for Örjan Smedby

Örjan Smedby

Professor of Medical image processing and visualization, KTH Royal Institute of Technology
Verified email at kth.se
Cited by 8953

Standardized evaluation methodology and reference database for evaluating coronary artery centerline extraction algorithms

…, C Kühnel, MA Luengo-Oroz, M Orkisz, Ö Smedby… - Medical image …, 2009 - Elsevier
Efficiently obtaining a reliable coronary artery centerline from computed tomography angiography
data is relevant in clinical practice. Whereas numerous methods have been presented …

Web‐based interactive 3D visualization as a tool for improved anatomy learning

…, D Sinkvist, C Wang, Ö Smedby - Anatomical sciences …, 2009 - Wiley Online Library
Despite a long tradition, conventional anatomy education based on dissection is declining.
This study tested a new virtual reality (VR) technique for anatomy learning based on virtual …

[HTML][HTML] MRBrainS challenge: online evaluation framework for brain image segmentation in 3T MRI scans

…, M Persson, M Rajchl, D Sarikaya, Ö Smedby… - Computational …, 2015 - hindawi.com
Many methods have been proposed for tissue segmentation in brain MRI scans. The
multitude of methods proposed complicates the choice of one method above others. We have …

[HTML][HTML] Evaluation of algorithms for multi-modality whole heart segmentation: an open-access grand challenge

…, MP Heinrich, J Oster, C Wang, Ö Smedby… - Medical image …, 2019 - Elsevier
Abstract Knowledge of whole heart anatomy is a prerequisite for many clinical applications.
Whole heart segmentation (WHS), which delineates substructures of the heart, can be very …

Advanced 3D visualization in student-centred medical education

C Silén, S Wirell, J Kvist, E Nylander, Ö Smedby - Medical teacher, 2008 - Taylor & Francis
Background: Healthcare students have difficulties achieving a conceptual understanding of
3D anatomy and misconceptions about physiological phenomena are persistent and hard to …

Iodinated contrast opacification gradients in normal coronary arteries imaged with prospectively ECG-gated single heart beat 320-detector row computed tomography

…, AZ Hussain, T Cai, RT Mather, O Smedby… - Circulation …, 2010 - Am Heart Assoc
Background— To define and evaluate coronary contrast opacification gradients using
prospectively ECG-gated single heart beat 320-detector row coronary angiography (CTA). …

[HTML][HTML] Multi-cohort and longitudinal Bayesian clustering study of stage and subtype in Alzheimer's disease

…, JS Muehlboeck, LO Wahlund, Ö Smedby… - Nature …, 2022 - nature.com
Understanding Alzheimer’s disease (AD) heterogeneity is important for understanding the
underlying pathophysiological mechanisms of AD. However, AD atrophy subtypes may reflect …

Two-dimensional tortuosity of the superficial femoral artery in early atherosclerosis

Ö Smedby, N Högman, S Nilsson, U Erikson… - Journal of vascular …, 1993 - karger.com
Tortuosity of an artery can disturb fluid mechanics and cause flow separation, which might
in turn promote atherogenesis. This study discusses theoretically several quantitative …

A novel infraclavicular brachial plexus block: the lateral and sagittal technique, developed by magnetic resonance imaging studies

Ø Klaastad, HJ Smith, Ö Smedby… - Anesthesia & …, 2004 - journals.lww.com
IMPLICATIONS: A new infraclavicular brachial plexus block method was investigated using
magnetic resonance imaging without inserting needles in the volunteers. The study suggests …

Quantifying differences in hepatic uptake of the liver specific contrast agents Gd-EOB-DTPA and Gd-BOPTA: a pilot study

…, J Kihlberg, P Sandström, TB Brismar, Ö Smedby… - European …, 2012 - Springer
Objectives To develop and evaluate a procedure for quantifying the hepatocyte-specific
uptake of Gd-BOPTA and Gd-EOB-DTPA using dynamic contrast-enhanced (DCE) MRI. …